201437960

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{193}}^1\times {\mathrm{269}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 461991600

約数和(自身を除く): 260553640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 193, 194, 269, 386, 388, 485, 538, 772, 776, 965, 970, 1076, 1345, 1544, 1930, 1940, 2152, 2690, 3860, 3880, 5380, 7720, 10760, 18721, 26093, 37442, 51917, 52186, 74884, 93605, 103834, 104372, 130465, 149768, 187210, 207668, 208744, 259585, 260930, 374420, 415336, 519170, 521860, 748840, 1038340, 1043720, 2076680, 5035949, 10071898, 20143796, 25179745, 40287592, 50359490, 100718980, 201437960]

約数ペア:

[(1, 201437960), (2, 100718980), (4, 50359490), (5, 40287592), (8, 25179745), (10, 20143796), (20, 10071898), (40, 5035949), (97, 2076680), (193, 1043720), (194, 1038340), (269, 748840), (386, 521860), (388, 519170), (485, 415336), (538, 374420), (772, 260930), (776, 259585), (965, 208744), (970, 207668), (1076, 187210), (1345, 149768), (1544, 130465), (1930, 104372), (1940, 103834), (2152, 93605), (2690, 74884), (3860, 52186), (3880, 51917), (5380, 37442), (7720, 26093), (10760, 18721)]